package cn.zbacm.api.config;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.ApiKey;
import springfox.documentation.service.AuthorizationScope;
import springfox.documentation.service.SecurityReference;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.ArrayList;
import java.util.List;

/** @author 16639 */
@Configuration
@EnableSwagger2
public class SwaggerConfig {
  @Value("${acm.swagger.documentation.host}")
  private String host;

  @Bean
  public Docket createRestApi() {
    return new Docket(DocumentationType.SWAGGER_2)
            .apiInfo(apiInfo())
            .host(host)
            .select()
            .apis(RequestHandlerSelectors.basePackage("cn.zbacm.api"))
            .paths(PathSelectors.any())
            .build()
            .securitySchemes(securitySchemes())
            .securityContexts(securityContexts());
  }

  private List<ApiKey> securitySchemes() {
    List<ApiKey> apiKeyList = new ArrayList();
    apiKeyList.add(new ApiKey("Authorization", "Authorization", "header"));
    return apiKeyList;
  }

  private List<SecurityContext> securityContexts() {
    List<SecurityContext> securityContexts = new ArrayList<>();
    securityContexts.add(
            SecurityContext.builder()
                    .securityReferences(defaultAuth())
                    .forPaths(PathSelectors.regex("^(?!auth).*$"))
                    .build());
    return securityContexts;
  }

  List<SecurityReference> defaultAuth() {
    AuthorizationScope authorizationScope = new AuthorizationScope("global", "accessEverything");
    AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];
    authorizationScopes[0] = authorizationScope;
    List<SecurityReference> securityReferences = new ArrayList<>();
    securityReferences.add(new SecurityReference("Authorization", authorizationScopes));
    return securityReferences;
  }

  private ApiInfo apiInfo() {
    return new ApiInfoBuilder().title("api文档").version("1.0").build();
  }
}
